1.25" (1-1/4")

#10 X 1-1/4" Unslotted Hex Washer Head | Self-Drilling Screw | Zinc plated | DP3 | Bulk Box 3500

#12 X 1-1/4" Unslotted Hex Washer Head | Self-Drilling Screw | Zinc plated | DP3 | Bulk Box 3500

#12 X 1-1/4" Unslotted Hex Washer Head | Self-Drilling Screw | Zinc plated | DP5 | Bulk Box 3000

#14 X 1-1/4" Unslotted Hex Washer Head | Self-Drilling Screw | Zinc plated | DP3 | Bulk Box 2500

#8 X 1-1/4" Unslotted Hex Washer Head | Self-Drilling Screw | Zinc plated | DP2 | Bulk Box 5000